written by Zeljko Medic

Menum

How to install CentOS / RedHat?

You probably searched and opened this because you are fresh in Linux world, or in IT in general. This will be short tutorial on how to install CentOS and we will be using graphical interface (GUI) for installation because I think it will be easier to follow.

CentOS stands for Community ENTerprise Operating System and it is clone of Redhat which is commercial OS.

You will ger mirrors that are near you (usually means better download speed) and then if none of them works, you can choose mirrors that are a bit further

Select a mirror and download.

Burn ISO as bootable USB/DVD if you will be using it to install on physical hardware (check Rufus for Windows to help you create bootable USB) or just use ISO if you are doing it on VM.

Now, after you successfully booted CentOS 7 you will be offered to install or test media and Install CentOS 7.

Choose Install CentOS 7

Press Enter (or just wait)

We are greeted with Welcome screen. Choose your language on it and press Continue

Next screen is a bit more demanding and we will get through each section of it, step by step.

When you first get to it, it will look like this (maybe there will be orange triangles on INSTALLATION SOURCE and SOFTWARE SELECTION, just wait for them to clear out)

LOCALIZATION – DATE & TIME

Select your location, time format, time and date. In the end click on Done in the upper left corner.

LOCALIZATION – KEYBOARD

I will select English (US) as is. If you want to change your keyboard language, click on + on the left bottom part of the screen and select your language. After you are done, click on Add, and also you can remove selected languages by pressing MINUS on the left bottom of the screen. You can also rearrange keyboards if you have more than one. Also, you can test layout by typing in the “Test the layout configuration below:” window.

SOFTWARE – INSTALLATION SOURCE

Well, we already booted from ISO (or install USB/DVD) and we will leave it at that. So, Auto-detected installation media is right now good enough for us.

Click on Done

SOFTWARE – SOFTWARE SELECTION

We will select Server with GUI for our first install without addons, just to make our life easier and learning curve a bit less steep.

Notice that you can choose a lot from this screen, basically you can get server preconfigured with environment you want. Basic install (server without GUI and no roles), File and Print server, Web server, Virtualization host…

Also, there are addons for each environment you can choose.

Really useful screen.

Click Done

Next part of the screen is SYSTEM

SYSTEM – INSTALLATION DESTINATION

Again, I assume you are new to Linux environment, so we will leave here everything as is. I wrote separate article with just partitioning topic, so you can learn to partition according to your needs.

Here is the article with partitioning details you can use as reference (This is only if you want to learn more – tutorial moves on with automatic partitioning below)